My '99 Fender Mexi-Jazz has infinately more low-end than my '88 CarvinLB70 with EMGs had . . . the upper register is much thicker as well.I would disagree with the other responses to this question andsay that a bolt-on bass is going a better "slap" tone than a neck-thru, - the joint seems to create a better sound for Marcus Miller type stuff.The neck-through Carvin was infinitely more playable than the Fender isdue to its deep cutaway and smooth heel. If tone is your priority,I would suggest a bolt on, if ease of playability is your priority, thena neck-thru can't be beat. Don't get me wrong, the Carvin soundedgreat, but I always had to struggle to get some bottom end out of it, whereaswith the Jazz, it is no problem. Both were poplar body/maple neck. TheCarvin had an ebony fretboard while the Jazz has a Rosewood, so gofigure. The Jazz is passive and the Carvin was active EMGs that Ihad installed . . . HTH.